Sample code for 30+ languages & platforms
Unicode C

Azure Storage: Get Blob Service Properties

See more Azure Cloud Storage Examples

Azure Storage Blob Service REST API: Sample code to get a blob's service properties.

Chilkat Unicode C Downloads

Unicode C
#include <C_CkRestW.h>
#include <C_CkAuthAzureStorageW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkRestW rest;
    BOOL bTls;
    int port;
    BOOL bAutoReconnect;
    HCkAuthAzureStorageW azAuth;
    const wchar_t *responseStr;
    HCkXmlW xml;

    success = FALSE;

    //  Azure Blob Service Example: Get Blob Service Properties

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    rest = CkRestW_Create();

    //  Connect to the Azure Storage Blob Service
    bTls = TRUE;
    port = 443;
    bAutoReconnect = TRUE;
    //  In this example, the storage account name is "chilkat".
    success = CkRestW_Connect(rest,L"chilkat.blob.core.windows.net",port,bTls,bAutoReconnect);
    if (success != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        return;
    }

    //  Provide Azure Cloud credentials for the REST call.
    azAuth = CkAuthAzureStorageW_Create();
    CkAuthAzureStorageW_putAccessKey(azAuth,L"AZURE_ACCESS_KEY");
    //  The account name used here should match the 1st part of the domain passed in the call to Connect (above).
    CkAuthAzureStorageW_putAccount(azAuth,L"chilkat");
    CkAuthAzureStorageW_putScheme(azAuth,L"SharedKey");
    CkAuthAzureStorageW_putService(azAuth,L"Blob");
    //  This causes the "x-ms-version: 2021-08-06" header to be automatically added.
    CkAuthAzureStorageW_putXMsVersion(azAuth,L"2021-08-06");
    success = CkRestW_SetAuthAzureStorage(rest,azAuth);

    //  Note: The application does not need to explicitly set the following
    //  headers: x-ms-date, Authorization.  These headers
    //  are automatically set by Chilkat.

    responseStr = CkRestW_fullRequestNoBody(rest,L"GET",L"/?restype=service&comp=properties");
    if (CkRestW_getLastMethodSuccess(rest) != TRUE) {
        wprintf(L"%s\n",CkRestW_lastErrorText(rest));
        CkRestW_Dispose(rest);
        CkAuthAzureStorageW_Dispose(azAuth);
        return;
    }

    //  When successful, the Azure Storage service will respond with a 200 response code,
    //  with an XML body.  
    if (CkRestW_getResponseStatusCode(rest) != 200) {
        //  Examine the request/response to see what happened.
        wprintf(L"response status code = %d\n",CkRestW_getResponseStatusCode(rest));
        wprintf(L"response status text = %s\n",CkRestW_responseStatusText(rest));
        wprintf(L"response header: %s\n",CkRestW_responseHeader(rest));
        wprintf(L"response body (if any): %s\n",responseStr);
        wprintf(L"---\n");
        wprintf(L"LastRequestStartLine: %s\n",CkRestW_lastRequestStartLine(rest));
        wprintf(L"LastRequestHeader: %s\n",CkRestW_lastRequestHeader(rest));
        CkRestW_Dispose(rest);
        CkAuthAzureStorageW_Dispose(azAuth);
        return;
    }

    //  Load the XML response for parsing.
    //  An example of the response XML is shown below.
    xml = CkXmlW_Create();
    success = CkXmlW_LoadXml(xml,responseStr);

    wprintf(L"%s\n",CkXmlW_getXml(xml));

    //  Use the ChilkatPath method to get various pieces of information out
    //  of the XML.  For example:

    wprintf(L"Logging retention policy #days = %s\n",CkXmlW_chilkatPath(xml,L"Logging|RetentionPolicy|Days|*"));
    wprintf(L"Hour metrics include APIs = %s\n",CkXmlW_chilkatPath(xml,L"HourMetrics|IncludeAPIs|*"));

    //  <?xml version="1.0" encoding="utf-8" ?>
    //  <StorageServiceProperties>
    //      <Logging>
    //          <Version>1.0</Version>
    //          <Read>true</Read>
    //          <Write>true</Write>
    //          <Delete>true</Delete>
    //          <RetentionPolicy>
    //              <Enabled>true</Enabled>
    //              <Days>7</Days>
    //          </RetentionPolicy>
    //      </Logging>
    //      <HourMetrics>
    //          <Version>1.0</Version>
    //          <Enabled>true</Enabled>
    //          <IncludeAPIs>true</IncludeAPIs>
    //          <RetentionPolicy>
    //              <Enabled>true</Enabled>
    //              <Days>7</Days>
    //          </RetentionPolicy>
    //      </HourMetrics>
    //      <MinuteMetrics>
    //          <Version>1.0</Version>
    //          <Enabled>false</Enabled>
    //          <RetentionPolicy>
    //              <Enabled>false</Enabled>
    //          </RetentionPolicy>
    //      </MinuteMetrics>
    //      <Cors />
    //  </StorageServiceProperties>


    CkRestW_Dispose(rest);
    CkAuthAzureStorageW_Dispose(azAuth);
    CkXmlW_Dispose(xml);

    }